Safety systems
Warning/
indicator
lamp
N
N
Signal type
Possible causes/consequences and
M
M
Solutions
J
N
The yellow brake system warning lamp lights up while the engine is running.
G
WARNING
The brake system is malfunctioning and the braking characteristics may be affec-
ted.
There is a risk of an accident.
X
If the multifunction display shows a display message, please observe this.
X
Drive on carefully.
X
Consult a qualified specialist workshop immediately.
J
N
The red brake system warning lamp comes on while the vehicle is moving. A
warning tone also sounds.
You are driving with the parking brake applied.
X
Release the parking brake.
The warning lamp goes out and the warning tone ceases.
J
N
The red brake system warning lamp is lit while the engine is running. A warning
tone also sounds.
G
WARNING
The brake boosting effect is malfunctioning and the braking characteristics may be
affected.
There is a risk of an accident.
X
Pull over and stop the vehicle safely as soon as possible, paying attention to road
and traffic conditions. Do not continue driving under any circumstances.
X
Safeguard the vehicle against rolling away (
Y
page 157).
X
Consult a qualified specialist workshop.
X
Observe the additional display messages in the multifunction display.
J
N
The red brake system warning lamp is lit while the engine is running. A warning
tone also sounds.
G
WARNING
There is insufficient brake fluid in the brake fluid reservoir.
Braking efficiency may be impaired.
There is a risk of an accident.
X
Pull over and stop the vehicle safely as soon as possible, paying attention to road
and traffic conditions. Do not continue driving under any circumstances.
X
Safeguard the vehicle against rolling away (
Y
page 157).
X
Do not top up the brake fluid. Topping up will not rectify the fault.
X
Consult a qualified specialist workshop.
X
Observe the additional display messages in the multifunction display.
Warning and indicator lamps in the instrument cluster
255
On-board
computer
and
displays
Z